Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Simultaneous severing and shaping – or severing while work...
Patent
1974-10-08
1976-12-14
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Simultaneous severing and shaping, or severing while work...
1014012, 264255, 264311, 264334, 264336, B29C 504
Patent
active
039976459
ABSTRACT:
Method of making a roller is described for applying lacquer and the like to metal sheets to be formed into metal containers. Roller comprises a magnetic cylindrical former and a cover magnetically retained on its curved outer surface. Cover has an outer layer made from a castable material which is selected from the group comprising liquid polymeric systems and liquid prepolymeric systems capable of forming macromolecular structures having elastomeric properties, and an inner layer made from a castable material which is selected from said group, which is capable of bonding with the outer layer and which has particles of iron powder dispersed therein. A method of manufacturing the cover by a centrifugal casting operation is described.
REFERENCES:
patent: 1623997 (1927-04-01), Catlin
patent: 2265226 (1941-12-01), Clewell et al.
patent: 3373143 (1968-03-01), Chilvers et al.
patent: 3483285 (1969-12-01), Foley
patent: 3489723 (1970-01-01), Kraft
patent: 3837959 (1974-09-01), Bishop
Dombrow, Polyurethanes 2nd Ed., Reinhold, N.Y. (1965), pp. 21-30 relied on.
Canathane Roller Corporation
Hoag Willard E.
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